Removing the Front Bumper

[AW] The chances of you're being interested in this are slim, but if you ever want to
get clear access to the horn, washer pump and tank, radiator, etc. on your NSX, or put on
some after-market nose piece to make it look just like a Firebird <g>, I have some
useful information for you, because you'll need to remove the front bumper. What comes off
is everything forward of the headlight doors.

I pulled mine off today in order to get at the horns. I wasn't particularly planning on
doing this, but happened to noticed that, judging from the *apparently* four-step
procedure in the shop manual (p. 20-47 in the '91 manual), it looked pretty easy. And in
reality it is. What I learned, which is why I'm writing this, is that the shop manual
description leaves out a couple important steps. So here's a summary. By the way, don't
try this without the manual; I'm going to give only a non-pictorial overview plus a couple
pointers.

From the front of the car disconnect both horns and the external temperature sensor.

From under the hood disconnect (electrically) the washer pump.

Get a short piece of plugged windshield washer tubing (or something similar) to cap-off
a 3/16" or so spigot, Pull the tubing off the washer pump spigot, and plug the
spigot. If you don't all your washer fluid will drain out on the floor. I believe you can
get little rubber vacuum tubing caps at an auto parts store that would work nicely.

Remove both front turn signals by inserting a long but small Philips screw driver up
into the indicated holes and backing the screw out. The screw is captive, so all you need
to do is loosen it all the way and make sure it drops down out of it's threaded hole.
Then, prying carefully at the center, pull the turn signal assembly forward. Unplug both
connectors and set the turn signals aside.

THE MANUAL DOESN'T MENTION THIS: Remove the 6 mm vertical bolt that
retains a black plastic arm at the rear of the "towing hook" (10 mm head
shoulder bolt)

THE MANUAL DOESN'T MENTION THIS: Remove the outer two under-spoiler
mounting bolts (these are two of the 13 that hold the rubber lip on the air dam. You have
to remove them because they capture a plastic shroud that stays with the car. (10 mm head
shoulder bolt)

At this point the bumper assembly is disconnected but hanging from the thoughtful little
hooks that Honda designed into its mounting. If you don't have a helper (I advise getting
one, but I didn't have one), sit down in front of the car, put your arms into the radiator
openings, lift up and pull the bumper off into your lap. It's not that heavy (maybe 50 lb.
At most). If it doesn't come right off, you've probably forgotten to unfasten something.
It may cling a little to the plastic beading that fills in between it and the front
fenders, etc.

Just to summarize, here are the fasteners that one way or another prevent the bumper
from coming off, so if you haven't removed all of these you aren't ready to pull the
bumper:

This entire removal operation took me one hour. Putting it back on took about two or
three hours mostly because you need small and agile hands (and mine were getting less
agile by the minute) to get all the fasteners started and hand-tightened. Also, you need
to double check the arrangement of all wiring harnesses, etc., to make sure they will be
where you want them when you bolt the bumper back on. You don't want to crush or trap any
harnesses or connectors, and there are eight of them to worry about.